Base | Representation |
---|---|
bin | 110101100010… |
… | …1001101000010 |
3 | 1221211010210101 |
4 | 1223011031002 |
5 | 24141230342 |
6 | 2441353014 |
7 | 460411561 |
oct | 153051502 |
9 | 57733711 |
10 | 28070722 |
11 | 14932a49 |
12 | 949876a |
13 | 5a7aac4 |
14 | 3a29bd8 |
15 | 26e73b7 |
hex | 1ac5342 |
28070722 has 16 divisors (see below), whose sum is σ = 42947712. Its totient is φ = 13757040.
The previous prime is 28070681. The next prime is 28070737. The reversal of 28070722 is 22707082.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35928 + ... + 36700.
It is an arithmetic number, because the mean of its divisors is an integer number (2684232).
Almost surely, 228070722 is an apocalyptic number.
28070722 is a deficient number, since it is larger than the sum of its proper divisors (14876990).
28070722 is a wasteful number, since it uses less digits than its factorization.
28070722 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1113.
The product of its (nonzero) digits is 3136, while the sum is 28.
The square root of 28070722 is about 5298.1810086104. The cubic root of 28070722 is about 303.9143413439.
The spelling of 28070722 in words is "twenty-eight million, seventy thousand, seven hundred twenty-two".
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